Lubricator



(No Model.) v T. HOLLAND.

LUBRICATOR. No. 243,900. Patented July 5, 1881.

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UNITED STATES PATENT OEEIcE.

TIMOTHY HOLLAND, OF TROY, NEW YORK.

LUBRICATOR.

SPECIFICATION forming part of Letters Patent No. 243,900, dated July 5,1881, Application iled May l2, 1881. '(No model.)

To all whom it may concern:

Be it known that I, TIMOTHY HOLLAND, of Troy, in the county ofRensselaer and State of New York, have invented a new and usefulImprovement, in Lubricators, of which the following is a specification.

My improvements relate to lubricators for the cylinders ofsteam-engines, particularly locoinotive-engines, and have for theirobject to obtain a constant and uniform delivery of lubricant under thevarying conditions incident to the operation of' engines.

In my improved lubricator I utililize the steam-pressure for forcing theoil from the chamber and into adrop-chamber, from whence the oil passesto the pistons, and I further supplyr both cylinders of the locomotivefrom one oil-chamber. The steam-pressure is equalized by connections ofnovel arrangement, and an automatic valve prevents any evil effect fromairpressure when the locomotive is ruiming without steam.

The construction and operation will be de scribed in detail withreference to tbe accompanying drawings, forming part of thisspecifcation, wherein- Figure 1 is a side elevation of a locomotive,showing the arrangements of the lubricator thereon. Fig. 2 is a verticalsection of the lubricator. Fig. 3 is a similar section at right anglesto Fig. 2. Fig. 4 is a detail section in larger size, showing thedrop-valve and tube; and Fig. 5 is a detail section, showin g the airvalve and chamber. v

Similar letters of reference indicate correponding parts.

A is the main chamber or vessel of the lua bricator, fitted at one sidewith a screw-nipple, a, by which it is to be secured to the front plateof the boiler, as illustrated in Figs. 1 and 3. At the upper side isattached a steam-pipe, b, that extends through the chamber and into asmaller chamber, a', that is formed on the bottom of chamber A. Ascrew-valve, c, and stufng-gland are fitted in the chamber a', so thatthe valve-seats 011 the end of pipe b can be used to regulate the outletof steam. The upper end of pipe bwill be connected, as shown in Figi. 1,directly with the steam-dome by a I e p the upper side the chamber A istted with a filling-plug, e. At opposite sides, and at the top ot' thechamber, are tubular plugs g g, for outlet of oil, which being ofsimilar construction, the following description applies to either. ,I

On the outer end of plug g there is formed a downwardly-extendingnipple, g,l1aving an aperture connecting with the main apertureof theplug and brought to a point at the lower Y end, so that the oil willdrop readily therefrom.

To the nipple g is connected one end of a tube, 7L, of glass or otherInaterial, preferably transparent, and the lower end of the glass lissustained by a hollow plug, fi, that is tapped into the side of chamberA, there being, however, no communication between the chamber and theplug t', except through tube h. From the plug t' a pipe, la, passes tothe one steamchest at the engine, and a similar connection is made fromthe plug t' at the other side to the other steam-chest.

'The plug g is provided with a screw-valve, l, fitted for closing theoutlet through nipple g. There is also titted on the side of the plug ahollow nipple, m, that connects by an aperture or port, m', with thetube h, and to this nipple m is connected one branch of a steampipe,a,from the boiler, so that steam may pass directly to tube h and pipe k,and the pressure from the steam-chest be thus equalized.

To prevent the water of condensation from interfering with the drop, thenipple g is eX tended within the drop-tube h a short distance and theend beveled to form an annular col lectin g-chamber, the bottom of whichis formed by the acute angle of the nipple end that is nearly in contactwith tube h. The water will thus be led down upon the sides of the tubeh, instead of passing beneath the nipple to the droppoint.

It will be understood that the steam-pipe a connects both plugs gwiththe boiler, and the pressure will thus be equalized in both. A cock willbe fitted in the pipe a.

The screw-valves l allow regulation of the outlet of oil to therespective steam-chests and cylinder, so that the flow can be regulatedaccording to the varying suction or pressure. I find it necessary toregulate the flow to each cylinder separately, for the reason that onecylinder will often take more oil than the other.

IOO

To facilitate a uniform supply to both cylinders from the oneoil-chamber, the chamberA is tted with a vertical partition, o, whichdivides the space into two portions, having no communication, except atthe bottom of tube b through the small chamber c. The plugs g enter atopposite sides of the partition, and the oil being thus kept separate,the ilow to either plug will not be affected by superior suction at theother.

In the pipe 7c, near the steam-chest, there is coupled a hollowvalve-chamber, p, which may be simply a tube of larger size than theoilpipe. In this chamber is a loose ball-valve,q, playing between theopposite ends of the pipe lc,which are ground to form seats for thevalve. Normally the valve q rests between the ends, separate from both,so that the oil can pass freely to the steam-chest; but in case thepressure at either side overbalances, the valve is carried against theend of the pipe," and thus the oil is prevented from being driven backthrough the tube k, or into the steani-cl1est in ajet, as the case maybe. The principal object of the valve q is to prevent the interruptionor variation of the supply-oil by the airpressure when the engine isruiming without steam. In that case effects of the suction andcompressing created by the movement of the piston in the cylinder arecut off by the described movements of the automatic valve;

In operation the lubricator is to be supplied with oil to about one-halfor two-thirds the depth of the chamber, and water then supplied untilthe surface of the .oil is level with the outlets to plugs g. Steambeing then admitted by pipe b, the oil will be forced into the plugs g,and will flow down through nipple g as fast as permitted by valves l tothe end, from whence the oil will drop4 by gravity to the plug t'. Fromplugt' the oil will flow to pipe 7c and the steam-chest. The tube hbeing transparent, the operation can be seen and excess or lack of feeddetected.

Vhile I prefer the described relative location and arrangements of theparts, I do not limit myself in those respects. The construction showninsures a uniform and separate supply of lubricant to the cylinders, andprovides for the convenient regulation of the feed.

Having thus fully described my invention, I claim as new and desire tosecure by Letters Patentl. In a lubrieator, tbe nipple g', extended downa short distance within tube h, and cut out to form an angularcollecting-chamber for the water of condensation, as described.

2. The combi-nation, with two devices, one at each side, for conveyingthe oil separately to each chest, of an oil-reservoir A, having thebottom chamber, a', and a partition extending dowu into, but not quiteto, the lower end of said chamber, as shown and described.

3. 'In lubricators, the combination, with an oil chamber or reservoirfitted with a steamsupply pipe, ot' two oil-conduit plugs and outflowpipes for delivery of the oil to the separate chests of a locomotive,and a steam-pipe connecting the outflow-pipes directly to the boiler,substantially as shown and described.

TIMOTHY HOLLAND. lVitnesses:

J AMES W. DALY, LEVI BEST.

